Peptides and proteins used to enhance gold nanoparticle delivery to the brain: preclinical approaches. Carolina Velasco-Aguirre1, Francisco Morales1, Eduardo Gallardo-Toledo, Simon Guerrero, Ernest Giralt, Eyleen Araya, Marcelo J Kogan2. International Journal of Nanomedicine Año 2015 Volumen 10 Paginas 4919-4936.